docs: def _gcs_create(args, _):
    """ Create one or more buckets. """
    errs = []
    for name in args['bucket']:
      try:
        bucket, key = google.datalab.storage._bucket.parse_name(name)
        if bucket and not key:
          google.datalab.storage.Bucket(bucket).create(_make_context(args['project']))
        else:
          raise Exception("Invalid bucket name %s" % name)
      except Exception as e:
        errs.append("Couldn't create %s: %s" %
                    (name, _extract_gcs_api_response_error(str(e))))
    if errs:
      raise Exception('\n'.join(errs))